一、获取时间所在周的周一、周五

function getFirstLastDay (time) {
    
    
          
       let date = new Date(time)
            let Time = date.getTime()
            let day = date.getDay()
            let oneDayTime =24*60*60*1000
  
            //周一
            let MondayTime = Time - (day - 1) * oneDayTime
            //周日
            let SundayTime = Time + (7 - day) * oneDayTime
 
            let monday =new Date(MondayTime)
            let sunday = new Date(SundayTime)
       
       return {
    
     monday, sunday } 
}

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転載: blog.csdn.net/Java_Fly1/article/details/120062100